*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --blue:    #2563eb;
    --blue-dk: #1d4ed8;
    --green:   #16a34a;
    --red:     #dc2626;
    --gray:    #9ca3af;
    --bg:      #f1f5f9;
    --card:    #ffffff;
    --border:  #e2e8f0;
    --text:    #0f172a;
    --muted:   #64748b;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 14px;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* ── Login ── */
#login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 340px;
    box-shadow: 0 4px 24px rgba(0,0,0,.07);
}
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card p  { color: var(--muted); margin-bottom: 24px; font-size: 13px; }
.login-error   { color: var(--red); font-size: 13px; margin-top: 10px; min-height: 18px; }

/* ── Top bar ── */
#topbar {
    background: var(--text);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 52px;
    position: sticky;
    top: 0;
    z-index: 10;
}
#topbar h1 { font-size: 16px; font-weight: 600; letter-spacing: .3px; }
#topbar button {
    background: rgba(255,255,255,.12);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 13px;
}
#topbar button:hover { background: rgba(255,255,255,.2); }

/* ── Tabs ── */
#tabs {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    display: flex;
    padding: 0 24px;
    gap: 2px;
}
.tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    cursor: pointer;
    transition: color .15s, border-color .15s;
    white-space: nowrap;
}
.tab-btn:hover  { color: var(--text); }
.tab-btn.active { color: var(--blue); border-bottom-color: var(--blue); }

/* ── Content ── */
#content { padding: 28px 24px; max-width: 1100px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}
.panel-stub {
    color: var(--muted);
    font-size: 14px;
    padding: 40px 0;
}

/* ── Cards ── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 24px;
}
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

/* ── Status dot ── */
.dot {
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
}
.dot.ok      { background: var(--green); box-shadow: 0 0 0 3px #bbf7d0; }
.dot.error   { background: var(--red);   box-shadow: 0 0 0 3px #fecaca; }
.dot.pending { background: var(--gray);  box-shadow: 0 0 0 3px #e5e7eb; animation: pulse 1.2s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: .4; }
}

.service-header {
    display: flex;
    align-items: center;
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 12px;
}
.service-url {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 10px;
    word-break: break-all;
}
.service-stat {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    padding: 4px 0;
    border-bottom: 1px solid var(--border);
}
.service-stat:last-child { border-bottom: none; }
.service-stat span:first-child { color: var(--muted); }
.service-stat .ok    { color: var(--green); font-weight: 500; }
.service-stat .error { color: var(--red);   font-weight: 500; }

.health-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--muted);
}

/* ── Forms / Inputs ── */
input[type="password"],
input[type="email"],
input[type="text"] {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 9px 12px;
    font-size: 14px;
    outline: none;
    transition: border-color .15s;
}
input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px #dbeafe; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 7px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s;
}
.btn:hover    { background: var(--blue-dk); }
.btn:disabled { background: var(--gray); cursor: not-allowed; }
.btn.sm       { padding: 6px 12px; font-size: 13px; }
.btn.outline  { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.btn.outline:hover { background: #eff6ff; }

/* ── Table ── */
.tbl-scroll { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.data-table th {
    text-align: left;
    padding: 8px 12px;
    font-weight: 600;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #f8fafc; }
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .4px;
}
.badge.ok    { background: #dcfce7; color: var(--green); }
.badge.muted { background: #f1f5f9; color: var(--muted); }
.badge.error { background: #fee2e2; color: var(--red); }
.tbl-link { color: var(--blue); text-decoration: none; }
.tbl-link:hover { text-decoration: underline; }
.panel-stub.error { color: var(--red); }

/* ── Logs ── */
.logs-output {
    background: #0f172a;
    color: #e2e8f0;
    font-family: "SF Mono", "Fira Code", monospace;
    font-size: 12px;
    line-height: 1.6;
    border-radius: 8px;
    padding: 14px 16px;
    height: 480px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}
.log-line   { margin: 0; padding: 1px 0; }
.log-error  { color: #fca5a5; }
.log-ok     { color: #86efac; opacity: .6; font-style: italic; }
.log-muted  { color: #475569; font-style: italic; }